A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 13
... condition of the endocyst of Lophopus , though most probably only abnormal , must be mentioned here . In specimens of this Polyzoon which had been kept for a few days , and occasionally in some just captured , multitudes of minute oval ...
... condition of the endocyst of Lophopus , though most probably only abnormal , must be mentioned here . In specimens of this Polyzoon which had been kept for a few days , and occasionally in some just captured , multitudes of minute oval ...
Página 30
... condition , however , which is not at all times equally perceptible ; and some of our best observers have denied to the Polyzoa the existence of striated fibre . I have , however , by repeated observations , satisfied myself of the ...
... condition , however , which is not at all times equally perceptible ; and some of our best observers have denied to the Polyzoa the existence of striated fibre . I have , however , by repeated observations , satisfied myself of the ...
Página 38
... condition . In some cases , however , the cellular condition of one or both discs is very obscure . The annulus is also composed of cells , which here occur in several layers ; these cells are also for the most part larger than those of ...
... condition . In some cases , however , the cellular condition of one or both discs is very obscure . The annulus is also composed of cells , which here occur in several layers ; these cells are also for the most part larger than those of ...
Otras ediciones - Ver todas
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes